Nobody cared I smashed a r6 anyway & kept up with a 1000 anyway.
I have the video but it sucks. I will edit it so that its not 5 minutes long.
Email back from FJO, I am going to relocate the ground and check for ignition power or ecu power. ( I actually think that it is wired from ecu power( because i didnt have key on when I was checking for power) The ground is off the valve cover(then at same location it goes to strut tower)
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The driver allows peak and hold injectors to draw up to 4 amps at which point they should be open and the driver limits the current to 1amp to hold the injector open. At a certain point you will get injector overlap and you will begin to see an increase in the current that the box requires to drive the injectors. As you reach the higher end of your duty cycle, the power required will begin to decrease because the injectors are open for longer periods but are in the holding stage (1amp). The box should be wired to a constant 12v supply that gets turned on with the ignition key and not the ECU. It is possible that what you are seeing is a power problem during higher current demand (bad 12v supply or bad ground). In cases of a power issue it's impossible to say what you can expect.
Is your motor running in closed loop with a wideband? If it is, it is possible that the wideband is sending bad data to the ECU causing it to stumble because it is trying to adjust fuel. If a sensor suddenly gives a false rich or lean signal and the ECU adjusts, you could see a similar problem. Since most ECU's automatically go open loop at idle and WOT, it would revert to your preset table - which may explain why you only see the problem at part throttle. Just something to watch out for.
This is not a symptom we have see as a result of a malfunction with the injector driver box.
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